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resizing Issue on adding activex control to mdi subwindow Qt 512

  • Issue arises when i create a widget with active x control(using axwidget container) and insert this widget in an MDI area as a subwindow.
    If i try to resize the subwindow the mouse move event just breaks and widget stops resizing.


    Strangely if i move the mouse slowly it does resize . seems like if i move the mouse faster and the moment mouse goes over the activex control it leaves the resizing event.

    I tested the same scenario on Qt 5.11 and it works fine. Can someone please tell me if its a bug in 5.12 or am i doing something wrong.
    I am using Qt 5.12 on Windows 10 64 bit
    Thanks in advance

  • Fixed in Qt 5.12.1

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